src/test/test-engine.c

   1 /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
   2
   3 /***
   4   This file is part of systemd.
   5
   6   Copyright 2010 Lennart Poettering
   7
   8   systemd is free software; you can redistribute it and/or modify it
   9   under the terms of the GNU Lesser General Public License as published by
  10   the Free Software Foundation; either version 2.1 of the License, or
  11   (at your option) any later version.
  12
  13   systemd is distributed in the hope that it will be useful, but
  14   WITHOUT ANY WARRANTY; without even the implied warranty of
  15   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  16   Lesser General Public License for more details.
  17
  18   You should have received a copy of the GNU Lesser General Public License
  19   along with systemd; If not, see <http://www.gnu.org/licenses/>.
  20 ***/
  21
  22 #include <errno.h>
  23 #include <stdio.h>
  24 #include <string.h>
  25
  26 #include "bus-util.h"
  27 #include "manager.h"
  28
  29 int main(int argc, char *argv[]) {
  30         _cleanup_bus_error_free_ sd_bus_error err = SD_BUS_ERROR_NULL;
  31         Manager *m = NULL;
  32         Unit *a = NULL, *b = NULL, *c = NULL, *d = NULL, *e = NULL, *g = NULL, *h = NULL;
  33         FILE *serial = NULL;
  34         FDSet *fdset = NULL;
  35         Job *j;
  36         int r;
  37
  38         /* prepare the test */
  39         assert_se(set_unit_path(TEST_DIR) >= 0);
  40         r = manager_new(MANAGER_USER, true, &m);
  41         if (IN_SET(r, -EPERM, -EACCES, -EADDRINUSE, -EHOSTDOWN, -ENOENT, -ENOEXEC)) {
  42                 printf("Skipping test: manager_new: %s", strerror(-r));
  43                 return EXIT_TEST_SKIP;
  44         }
  45         assert_se(r >= 0);
  46         assert_se(manager_startup(m, serial, fdset) >= 0);
  47
  48         printf("Load1:\n");
  49         assert_se(manager_load_unit(m, "a.service", NULL, NULL, &a) >= 0);
  50         assert_se(manager_load_unit(m, "b.service", NULL, NULL, &b) >= 0);
  51         assert_se(manager_load_unit(m, "c.service", NULL, NULL, &c) >= 0);
  52         manager_dump_units(m, stdout, "\t");
  53
  54         printf("Test1: (Trivial)\n");
  55         r = manager_add_job(m, JOB_START, c, JOB_REPLACE, &err, &j);
  56         if (sd_bus_error_is_set(&err))
  57                 log_error("error: %s: %s", err.name, err.message);
  58         assert_se(r == 0);
  59         manager_dump_jobs(m, stdout, "\t");
  60
  61         printf("Load2:\n");
  62         manager_clear_jobs(m);
  63         assert_se(manager_load_unit(m, "d.service", NULL, NULL, &d) >= 0);
  64         assert_se(manager_load_unit(m, "e.service", NULL, NULL, &e) >= 0);
  65         manager_dump_units(m, stdout, "\t");
  66
  67         printf("Test2: (Cyclic Order, Unfixable)\n");
  68         assert_se(manager_add_job(m, JOB_START, d, JOB_REPLACE, NULL, &j) == -EDEADLK);
  69         manager_dump_jobs(m, stdout, "\t");
  70
  71         printf("Test3: (Cyclic Order, Fixable, Garbage Collector)\n");
  72         assert_se(manager_add_job(m, JOB_START, e, JOB_REPLACE, NULL, &j) == 0);
  73         manager_dump_jobs(m, stdout, "\t");
  74
  75         printf("Test4: (Identical transaction)\n");
  76         assert_se(manager_add_job(m, JOB_START, e, JOB_FAIL, NULL, &j) == 0);
  77         manager_dump_jobs(m, stdout, "\t");
  78
  79         printf("Load3:\n");
  80         assert_se(manager_load_unit(m, "g.service", NULL, NULL, &g) >= 0);
  81         manager_dump_units(m, stdout, "\t");
  82
  83         printf("Test5: (Colliding transaction, fail)\n");
  84         assert_se(manager_add_job(m, JOB_START, g, JOB_FAIL, NULL, &j) == -EDEADLK);
  85
  86         printf("Test6: (Colliding transaction, replace)\n");
  87         assert_se(manager_add_job(m, JOB_START, g, JOB_REPLACE, NULL, &j) == 0);
  88         manager_dump_jobs(m, stdout, "\t");
  89
  90         printf("Test7: (Unmergeable job type, fail)\n");
  91         assert_se(manager_add_job(m, JOB_STOP, g, JOB_FAIL, NULL, &j) == -EDEADLK);
  92
  93         printf("Test8: (Mergeable job type, fail)\n");
  94         assert_se(manager_add_job(m, JOB_RESTART, g, JOB_FAIL, NULL, &j) == 0);
  95         manager_dump_jobs(m, stdout, "\t");
  96
  97         printf("Test9: (Unmergeable job type, replace)\n");
  98         assert_se(manager_add_job(m, JOB_STOP, g, JOB_REPLACE, NULL, &j) == 0);
  99         manager_dump_jobs(m, stdout, "\t");
 100
 101         printf("Load4:\n");
 102         assert_se(manager_load_unit(m, "h.service", NULL, NULL, &h) >= 0);
 103         manager_dump_units(m, stdout, "\t");
 104
 105         printf("Test10: (Unmergeable job type of auxiliary job, fail)\n");
 106         assert_se(manager_add_job(m, JOB_START, h, JOB_FAIL, NULL, &j) == 0);
 107         manager_dump_jobs(m, stdout, "\t");
 108
 109         manager_free(m);
 110
 111         return 0;
 112 }